Make Chrome and WebView replace the selected text with the processed text.

content/browser/web_contents/web_contents_android.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/web_contents/web_contents_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
 #include "base/command_line.h"
@@ skipping 246 matching lines @@
 }
 
 void WebContentsAndroid::Copy(JNIEnv* env, jobject obj) {
   web_contents_->Copy();
 }
 
 void WebContentsAndroid::Paste(JNIEnv* env, jobject obj) {
   web_contents_->Paste();
 }
 
+void WebContentsAndroid::Replace(JNIEnv* env, jobject obj, jstring jstr) {
+  web_contents_->Replace(base::android::ConvertJavaStringToUTF16(env, jstr));
+}
+
 void WebContentsAndroid::SelectAll(JNIEnv* env, jobject obj) {
   web_contents_->SelectAll();
 }
 
 void WebContentsAndroid::Unselect(JNIEnv* env, jobject obj) {
   web_contents_->Unselect();
 }
 
 void WebContentsAndroid::InsertCSS(
     JNIEnv* env, jobject jobj, jstring jcss) {
@@ skipping 272 matching lines @@
   web_contents_->StopMediaSession();
 }
 
 ScopedJavaLocalRef<jstring>  WebContentsAndroid::GetEncoding(
     JNIEnv* env, jobject obj) const {
   return base::android::ConvertUTF8ToJavaString(env,
                                                 web_contents_->GetEncoding());
 }
 
 }  // namespace content